Tretten monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Tretten

Tretten average temperature chart (Celsius) Tretten average temperature chart (Fahrenheit)
Average monthly temperatures in Tretten (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -6.6 -5 -0 4.5 11.3 16.2 17.1 16.1 10.7 5.7 -1.1 -4.6
°F 20 23.1 31.9 40.1 52.4 61.2 62.8 60.9 51.3 42.2 30 23.8

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Tretten monthly rainfall chart (mm) Tretten monthly rainfall chart (inches)
Average monthly rainfall in Tretten (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 41 31 36 34 54 75 88 85 79 77 60 45
inches 1.6 1.2 1.4 1.3 2.1 3 3.5 3.3 3.1 3 2.4 1.8
Rainy days 16 13 13 11 14 16 18 17 16 16 16 16

Average annual rainfall in Tretten: 776.5mm (305.7 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Tretten

Tretten average daily sunshine chart
Average daily sunshine Tretten
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.9 2.1 3.8 6 8 4.5 3.8 6.8 4.5 3 1.7 0.8

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Tretten average minimum / maximum temperatures (Celsius) Tretten average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Tretten (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -12.5 -11.6 -8 -3.3 2.1 6.6 8.3 6.9 3.5 0 -6.4 -10.8
Max °C -6.5 -4.8 0.2 4.7 11.6 16.5 17.3 16.3 10.9 5.8 -1 -4.4
Min °F 9.5 11.1 17.7 26.1 35.7 43.8 46.9 44.4 38.3 32 20.5 12.6
Max °F 14.9 17.2 25 33.3 44.2 52.7 55 52.9 45 37.2 25.3 18.3

Sea temperature

The graph below shows the average sea temperature.

Tretten average sea temperature chart (Celsius) Tretten average sea temperature chart (Fahrenheit)
Average sea temperature around Tretten in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.6 4.9 4.8 6.1 9 12.4 15 15.7 13.8 11.2 8.8 6.8
°F 42.1 40.8 40.7 43 48.2 54.4 58.9 60.2 56.8 52.1 47.9 44.2

Wind speed

The graph below shows the average wind speed.

Tretten average winspeed by month (km/h) Tretten average winspeed by month (mph)
Average wind speed in Tretten (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 16 16 16 14 15 14 13 16 17 17 19
mph 11 10 10 10 9 9 9 8 10 10 11 12

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Tretten relative humidity averages
Average relative humidity in Tretten
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
85% 83% 77% 73% 69% 70% 73% 76% 79% 82% 84% 85%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Tretten weather stats

Tretten weather statistics
Hottest month: July 17.1°C 62.8°F
Driest month: February 31mm 1.2ins
Sunniest month: June 4.5hrs
Coldest month: January -6.6°C 20.1°F
Wettest month: July 88mm 3.5ins
Warmest sea: August 15.7°C 60.3°F
Map showing location of Tretten (61.31423, 10.30066) Tretten map pin © Google

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